See also:

Interior volumetric protection
The system detects any variation in the volume in the passenger compartment. The alarm is triggered if anyone breaks a window or moves inside the vehicle. If you wish to leave a pet in the vehicle ...

Safety
New Citroën C4 achieves the highest standards of safety and has already been awarded the maximum 5-star rating by independent assessors Euro NCAP, including a score of 97% in the 'Safety Assi ...

Anti-skid regulation (ASR) and electronic stability programme (ESP)
The anti-skid regulation (also known as Traction Control) optimises traction to prevent skidding of the wheels, by acting on the brakes of the driving wheels and on the engine. The electronic sta ...